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1 | /******************************************************************************* |
2 | * Copyright (c) 2000, 2011 IBM Corporation and others. | |
3 | * All rights reserved. This program and the accompanying materials | |
4 | * are made available under the terms of the Eclipse Public License v1.0 | |
5 | * which accompanies this distribution, and is available at | |
6 | * http://www.eclipse.org/legal/epl-v10.html | |
7 | * | |
8 | * Contributors: | |
9 | * IBM Corporation - initial API and implementation | |
10 | *******************************************************************************/ | |
11 | package org.eclipse.jdt.internal.ui.viewsupport; | |
12 | ||
13 | import java.io.IOException; | |
14 | import java.io.Reader; | |
15 | import java.io.StringReader; | |
16 | import java.io.StringWriter; | |
17 | import java.util.HashSet; | |
18 | import java.util.Set; | |
19 | ||
20 | import org.eclipse.core.runtime.Assert; | |
21 | ||
22 | import org.eclipse.core.resources.IProject; | |
23 | import org.eclipse.core.resources.ProjectScope; | |
24 | ||
25 | import org.eclipse.jface.text.templates.Template; | |
26 | import org.eclipse.jface.text.templates.persistence.TemplatePersistenceData; | |
27 | import org.eclipse.jface.text.templates.persistence.TemplateReaderWriter; | |
28 | import org.eclipse.jface.text.templates.persistence.TemplateStore; | |
29 | ||
30 | import org.eclipse.ui.preferences.ScopedPreferenceStore; | |
31 | ||
32 | import org.eclipse.jdt.ui.JavaUI; | |
33 | ||
34 | import org.eclipse.jdt.internal.ui.JavaPlugin; | |
35 | ||
36 | /** | |
37 | * @since 3.1 | |
38 | */ | |
39 | public final class ProjectTemplateStore { | |
40 | ||
41 | private static final String KEY= "org.eclipse.jdt.ui.text.custom_code_templates"; //$NON-NLS-1$ | |
42 | ||
43 | private final TemplateStore fInstanceStore; | |
44 | private final TemplateStore fProjectStore; | |
45 | ||
46 | public ProjectTemplateStore(IProject project) { | |
47 | fInstanceStore= JavaPlugin.getDefault().getCodeTemplateStore(); | |
48 | if (project == null) { | |
49 | fProjectStore= null; | |
50 | } else { | |
51 | final ScopedPreferenceStore projectSettings= new ScopedPreferenceStore(new ProjectScope(project), JavaUI.ID_PLUGIN); | |
52 | fProjectStore= new TemplateStore(projectSettings, KEY) { | |
53 | /* | |
54 | * Make sure we keep the id of added code templates - add removes | |
55 | * it in the usual add() method | |
56 | */ | |
57 | @Override | |
58 | public void add(TemplatePersistenceData data) { | |
59 | internalAdd(data); | |
60 | } | |
61 | ||
62 | @Override | |
63 | public void save() throws IOException { | |
64 | ||
65 | TemplatePersistenceData[] templateData= ProjectTemplateStore.this.getTemplateData(); | |
66 | for (int i= 0; i < templateData.length; i++) { | |
67 | if (isProjectSpecific(templateData[i].getId())) { | |
68 | StringWriter output= new StringWriter(); | |
69 | TemplateReaderWriter writer= new TemplateReaderWriter(); | |
70 | writer.save(getTemplateData(false), output); | |
71 | ||
72 | projectSettings.setValue(KEY, output.toString()); | |
73 | projectSettings.save(); | |
74 | ||
75 | return; | |
76 | } | |
77 | } | |
78 | ||
79 | projectSettings.setToDefault(KEY); | |
80 | projectSettings.save(); | |
81 | } | |
82 | }; | |
83 | } | |
84 | } | |
85 | ||
86 | public static boolean hasProjectSpecificTempates(IProject project) { | |
87 | String pref= new ProjectScope(project).getNode(JavaUI.ID_PLUGIN).get(KEY, null); | |
88 | if (pref != null && pref.trim().length() > 0) { | |
89 | Reader input= new StringReader(pref); | |
90 | TemplateReaderWriter reader= new TemplateReaderWriter(); | |
91 | TemplatePersistenceData[] datas; | |
92 | try { | |
93 | datas= reader.read(input); | |
94 | return datas.length > 0; | |
95 | } catch (IOException e) { | |
96 | // ignore | |
97 | } | |
98 | } | |
99 | return false; | |
100 | } | |
101 | ||
102 | ||
103 | public TemplatePersistenceData[] getTemplateData() { | |
104 | if (fProjectStore != null) { | |
105 | return fProjectStore.getTemplateData(true); | |
106 | } else { | |
107 | return fInstanceStore.getTemplateData(true); | |
108 | } | |
109 | } | |
110 | ||
111 | public Template findTemplateById(String id) { | |
112 | Template template= null; | |
113 | if (fProjectStore != null) | |
114 | template= fProjectStore.findTemplateById(id); | |
115 | if (template == null) | |
116 | template= fInstanceStore.findTemplateById(id); | |
117 | ||
118 | return template; | |
119 | } | |
120 | ||
121 | public void load() throws IOException { | |
122 | if (fProjectStore != null) { | |
123 | fProjectStore.load(); | |
124 | ||
125 | Set<String> datas= new HashSet<String>(); | |
126 | TemplatePersistenceData[] data= fProjectStore.getTemplateData(false); | |
127 | for (int i= 0; i < data.length; i++) { | |
128 | datas.add(data[i].getId()); | |
129 | } | |
130 | ||
131 | data= fInstanceStore.getTemplateData(false); | |
132 | for (int i= 0; i < data.length; i++) { | |
133 | TemplatePersistenceData orig= data[i]; | |
134 | if (!datas.contains(orig.getId())) { | |
135 | TemplatePersistenceData copy= new TemplatePersistenceData(new Template(orig.getTemplate()), orig.isEnabled(), orig.getId()); | |
136 | fProjectStore.add(copy); | |
137 | copy.setDeleted(true); | |
138 | } | |
139 | } | |
140 | } | |
141 | } | |
142 | ||
143 | public boolean isProjectSpecific(String id) { | |
144 | if (id == null) { | |
145 | return false; | |
146 | } | |
147 | ||
148 | if (fProjectStore == null) | |
149 | return false; | |
150 | ||
151 | return fProjectStore.findTemplateById(id) != null; | |
152 | } | |
153 | ||
154 | ||
155 | public void setProjectSpecific(String id, boolean projectSpecific) { | |
156 | Assert.isNotNull(fProjectStore); | |
157 | ||
158 | TemplatePersistenceData data= fProjectStore.getTemplateData(id); | |
159 | if (data == null) { | |
160 | return; // does not exist | |
161 | } else { | |
162 | data.setDeleted(!projectSpecific); | |
163 | } | |
164 | } | |
165 | ||
166 | public void restoreDefaults() { | |
167 | if (fProjectStore == null) { | |
168 | fInstanceStore.restoreDefaults(false); | |
169 | } else { | |
170 | try { | |
171 | load(); | |
172 | } catch (IOException e) { | |
173 | JavaPlugin.log(e); | |
174 | } | |
175 | } | |
176 | } | |
177 | ||
178 | public void save() throws IOException { | |
179 | if (fProjectStore == null) { | |
180 | fInstanceStore.save(); | |
181 | } else { | |
182 | fProjectStore.save(); | |
183 | } | |
184 | } | |
185 | ||
186 | public void revertChanges() throws IOException { | |
187 | if (fProjectStore != null) { | |
188 | // nothing to do | |
189 | } else { | |
190 | fInstanceStore.load(); | |
191 | } | |
192 | } | |
193 | } |